Q355NH ihu igwe igwe nwere ihe eji agbado ọkụ dabara adaba

Okwu mmalite nke igwe ihu igwe

Igwe igwe na-ekpuchi ihu igwe bụ ọkwa nchara nwere ezigbo nguzogide corrosion nke ikuku, nke bụ ịgbakwunye obere Cr, Ni, Cu, P na ihe ndị ọzọ na carbon steel iji mepụta oyi akwa nchebe n'elu matrix metal ahụ, si otú ahụ na-ebelata n'ihu. corrosion. The ikuku corrosion eguzogide nke weathering ígwè bụ 2 ~ 8 ugboro nke nkịtị carbon ígwè, na nchara eguzogide, ịgbatị ndụ ọrụ nke structural akụkụ, thinning na oriri Mbelata, wdg, tumadi eji ụgbọ ala, àkwà mmiri, containers, ụlọ, ụlọ elu. na ndị ọzọ ogologo oge ikpughe na ikuku ígwè owuwu.

Q355NH weathering ígwè arụmọrụ

Q355NH bụ nke welded weathering ígwè

Ndekọ nguzogide corrosion ikuku

Atmospheric corrosion resistance index (I) bụ ihe dị mkpa index iji nyochaa ihu igwe na-eguzogide ihe, ka ibu index, mma ikuku corrosion eguzogide nke ígwè, ọ na-adịkarị kweere na mgbe index (I) ≥ 6.0 ígwè nwere mma ikuku. iguzogide corrosion.

A na-agbakọ index corrosion resistance index (I) dị ka ndị a:
I=26.01(%Cu)+3.88(%Ni)+1.20(%Cr)+1.49(%Si)+17.28(%P)-7.29(%Cu)(%Ni)-9.10(%Ni)(%P) -33.39(%Cu)2

Mgbado ọkụ fillet (tupu mwepu slag)

Ịgbado ọkụ fillet (mgbe e wepụsịrị slag)

Dị ka oge niile, anyị na-aga n'ihu na-enye gị ngwa ahịa na ọrụ ịgbado ọkụ dị elu!